18125679

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 30030336

約数和(自身を除く): 11904657

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 121, 143, 167, 253, 299, 363, 429, 501, 759, 897, 1573, 1837, 2171, 2783, 3289, 3841, 4719, 5511, 6513, 8349, 9867, 11523, 20207, 23881, 36179, 42251, 49933, 60621, 71643, 108537, 126753, 149799, 262691, 464761, 549263, 788073, 1394283, 1647789, 6041893, 18125679]

約数ペア:

[(1, 18125679), (3, 6041893), (11, 1647789), (13, 1394283), (23, 788073), (33, 549263), (39, 464761), (69, 262691), (121, 149799), (143, 126753), (167, 108537), (253, 71643), (299, 60621), (363, 49933), (429, 42251), (501, 36179), (759, 23881), (897, 20207), (1573, 11523), (1837, 9867), (2171, 8349), (2783, 6513), (3289, 5511), (3841, 4719)]